stocks

Fetch stock quotes, OHLCV history, and crypto prices from Yahoo Finance via CLI.

Updated May 2, 2026
One-click install
npx skills add https://github.com/AlvaroBiano/hermes-agent --skill stocks-alvarobiano
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: stocks
Source: https://github.com/AlvaroBiano/hermes-agent/tree/main/optional-skills/finance/stocks
Command: npx skills add https://github.com/AlvaroBiano/hermes-agent --skill stocks-alvarobiano

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Access to current stock quotes, price history, and crypto data across tickers is often scattered across sources and requires manual lookups. This Skill consolidates essential market data from Yahoo Finance into a single, easy-to-consume CLI.

Core Features & Use Cases

  • Real-time quotes for tickers like AAPL, TSLA, MSFT with price, change, and volume.
  • OHLCV history over selectable ranges (1d, 1mo, 3mo, 6mo, 1y, etc.) for performance analysis.
  • Crypto prices (BTC, ETH, SOL) with optional enrichment from Alpha Vantage when a key is provided.
  • Use Case: A portfolio manager fetches current prices and historical data to gauge performance and risk.

Quick Start

Invoke the stocks_client CLI with a ticker to fetch its current quote.

Frequently Asked Questions about stocks

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fetch live stock quotes and crypto prices from Yahoo Finance?

Fetch live stock quotes and crypto prices by invoking the lightweight CLI with a specific ticker like AAPL or BTC to retrieve real-time market data. The tool returns current price, change, and volume details directly from Yahoo Finance in JSON format.

What is the best way to get historical OHLCV stock data for performance analysis?

Get historical OHLCV stock data by specifying a ticker and a selectable range such as 1d, 1mo, 3mo, 6mo, or 1y. The CLI retrieves the historical performance data from Yahoo Finance, outputting structured JSON results for analysis.

Can I enrich crypto market data using Alpha Vantage?

Yes, enrich crypto market data using Alpha Vantage by providing an optional API key during configuration. When the key is supplied, the tool supplements the standard Yahoo Finance crypto prices with additional data points.

Do I need an Alpha Vantage API key to fetch basic stock quotes?

No, an Alpha Vantage API key is not required to fetch basic stock quotes. The tool retrieves real-time quotes and historical market data directly from Yahoo Finance without any API key dependencies.

Does the stock market CLI tool support cross-symbol price comparisons?

Yes, the stock market CLI tool supports cross-symbol access to real-time prices and historical performance. You can query multiple tickers individually to compare current quotes and historical data across different assets.

What are the limitations of fetching stock history via a lightweight CLI?

Fetching stock history via this lightweight CLI is limited to the data ranges and symbols supported by Yahoo Finance. While it provides robust error handling and deterministic JSON output, it does not support complex technical indicators or custom trading algorithms.